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Legacy Member
In engineering it always amazes me how many people replace hardened steel dowel pins the wrong way round, end up damaging the reamed hole in which it is inserted, and then wonder why the doweled parts are not in alignment. Traditionally, a dowel pin will have an end which is tapered and an end which is not. The tapered end must always be inserted to the hole first or the hole will be damaged and the parts may be assembled out of alignment. In more recent years dowel pins have become available with tapers on both ends of the pin; with this type it doesn't matter which way round it is inserted into the hole. It is surprising that this is not better known.
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11-06-2015 01:42 PM
# ADS
Friends and Sponsors
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Advisory Panel
It's surprising a lot of things aren't better known! 
However, our industrial and economic survival is less important than that everyone should feel good about themselves, so we mustn't harm anyone's self esteem by telling them to -------- well pay attention and make an effort to do the job properly!
“There are invisible rulers who control the destinies of millions. It is not generally realized to what extent the words and actions of our most influential public men are dictated by shrewd persons operating behind the scenes.”
Edward Bernays, 1928
Much changes, much remains the same. 
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